can you tell what layup you used ? Fabrics?
Did you overlap the rails with the fabric?
I use glass-carbon combo but with pure kevlar reinforcments, don't break but a bit overbuilded and weight 1,9 kg. Maybe I can sligthly go lighter, but if you have radical flat landing loop turning riders... I prefer to have some credit
It looks like you made it very thin at the rails and some volume in the middle, did you need the volume for your inserts or did you made it like this for to have some volume under the feet?
Nice work, composites rules!!!